Zurich · Month comparison
December vs September
September ranks #1 overall vs December at #7. The undersold sweet spot — warm enough for the lake, dry enough for the alps, prices drop from August.
December
#7 of 12 months
Strong option
Hauptbahnhof Christmas market — Swarovski tree and the most beautiful market in Switzerland.
- ↑Hauptbahnhof Wienachtsmarkt — 11m Swarovski crystal Christmas tree, often called the country's best
- ↑Singing Christmas Tree on Werdmühleplatz — choirs perform from a tiered tree daily
September
#1 of 12 months
Best match
The undersold sweet spot — warm enough for the lake, dry enough for the alps, prices drop from August.
- ↑20°C and lake still at 20°C through early September — last realistic swim window
- ↑Knabenschiessen folk festival (2nd weekend) on Albisgüetli — fairground and shooting tradition
| Factor | December | September |
|---|---|---|
| Weather score | 4 | 9 |
| Value score | 4 | 5 |
| Crowd score | 6 | 5 |
| Events score | 10 | 7 |
| Atmosphere | 10 | 10 |
| Avg high temp | 4°C | 20°C |
| Monthly rain | 70mm | 80mm |
| Daily sunshine | 2hrs | 7hrs |
December trade-offs
- ↓Christmas-week hotel rates spike — CHF 500+ for 4-star in the Altstadt
- ↓4°C high and damp; lake-side walks feel raw rather than crisp
September trade-offs
- ↓Daylight contracting — by month end down to 12 hours
- ↓Lake temperature drops fast in the last week — pack a wetsuit if swimming end-Sep
Scores compare months within Zurich. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →